Boston時間
09:13:39
日出: 08:12:01 
日落: 15:58:5917:13:39
12:13:39
06:13:39
14:43:39
03:13:39
17:13:39
14:13:39
17:13:39
17:13:39
14:43:39
12:13:39
17:13:39
15:13:39
18:13:39
06:13:39
Boston與主要城市的時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8